Delete row sig_b8976e312a2b from signals

id sig_b8976e312a2b
event_id evt_b24fc68fdab8
watcher_id NULL
signal_type opportunity_research_snapshot
value {"as_of":"2026-04-11T13:08:51.668584+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source opportunity_research_ingestor
reason_trace {}
dedupe_key opportunity_research_snapshot:b1a42028a8d183ae
throttle_s 0
created_at 2026-04-11T13:08:51.668584+00:00
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